[Marble-devel] Review Request 123180: Improved ground overlays

[Adam Dabrowski]

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https://git.reviewboard.kde.org/r/123180/
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(Updated April 2, 2015, 6:40 p.m.)


Status
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This change has been marked as submitted.


Review request for Marble.


Changes
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Submitted with commit ff2e6ee3a3de0be70f45648d28edd1ce1b904e55 by Dennis Nienhüser on behalf of Adam Dabrowski to branch master.


Repository: marble


Description
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Improved ground overlays: performance, transluscency, visibility

-Performance improved by replacing object construction in critical part of the code with static calls
-Added transluscency based on alpha of pixels in overlay icon
-Added testing for global visibility before rendering overlay


Diffs
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  src/lib/marble/MergedLayerDecorator.cpp fd3b6e9 
  src/lib/marble/geodata/data/GeoDataLatLonBox.h 5505090 
  src/lib/marble/geodata/data/GeoDataLatLonBox.cpp 5dd7834 

Diff: https://git.reviewboard.kde.org/r/123180/diff/


Testing
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Ran with several images of ground overlays, tested performance with QElapsedTimer. 

All three aspect work and the performance is improved almost 3x on my machine - tested by rotating and moving the overlay around.


Thanks,

Adam Dabrowski

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